Cardiio
Track Your Heart Health Anytime, Anywhere
Track Your Heart Health Anytime, Anywhere
Cardiio uses your phone’s camera to measure your heart rate, blood oxygen, and track your fitness.
- Gain Health Insights – Track heart rate, blood pressure, and oxygen levels, all with your phone’s camera.
- Stay on Track – Monitor fitness progress, compare with others in your age/gender group, and set target heart rates.
- Build Healthy Habits – Follow guided 7-minute workouts, track calories burned, and sync with Apple Health for a complete view.
Trusted by Over 9.8 Million Users Worldwide!
Track Your Heart Health Anytime, Anywhere
Track Your Heart Health Anytime, Anywhere
Cardiio uses your phone’s camera to measure your heart rate, blood oxygen, and track your fitness.
- Gain Health Insights – Track heart rate, blood pressure, and oxygen levels, all with your phone’s camera.
- Stay on Track – Monitor fitness progress, compare with others in your age/gender group, and set target heart rates.
- Build Healthy Habits – Follow guided 7-minute workouts, track calories burned, and sync with Apple Health for a complete view.
Trusted by Over 9.8 Million Users Worldwide!
4.7 out of 5
Total ratings: 301,289+
4.7 out of 5
Total ratings: 301,289+
Cardio
2111111113456779
This is the best app ever it is helping me with my health and I’m just… it’s just crazy and I love this app so much! Thank you Cardio!!!! This app has completely changed the way I think about my mental health and the way I see my body. I have lost 14 pounds and have never felt more happy and healthy. I recommend this app to anyone and EVERYONE! Have fun and thank you so much to the creator(s)! This app is phenomenal!
Been using for several years…
Mawdine
I rely on Cardiio every day, several times a day just for a quick heart rate. I did not pay any extra, just have the free version and that is more than enough to keep my mind at ease. This is a great app, especially for my new iPhone SE, with just the simple camera. I keep an image of my reading and have a folder of my daily readings! Thanks, Cardiio!!
Extremely Accurate
Shane1341
None of the other apps were as accurate as this Cardiio app. I am using the FREE VERSION. No popups or ads. I really like the fact that the makers of this app are very honest people. Thank you.
Great App
Dixielandsgoldenace
So many heart rate apps bug you with ads and upgrade nags. This app hasn’t bothered me with either. I really appreciate their sensitivity to the user. Thank you!
I love this app
johnny74325
This app seems very accurate compared to the gym machines and even my doctor’s equipment. Only issue is getting a reading when my hand is cold or I move too much — but that’s normal.
Cardiologist recommended
ParkerPicks
I can’t believe how easy it is. Now I can figure out anxiety vs. actual fast heart rate.
Accurate and dependable
Min806
When I am sick or my children are sick, Cardiio puts my mind at ease knowing I can check their heart rate quickly and accurately.
Love it!
Nikki2342
I enjoy knowing my heart rate before and after a workout. We all want to be healthy and this is a great way to monitor it.
Awesome App
Kold kee
Helped me decide to see a doctor and I found out I was tachycardic and got it treated. Great for monitoring heart rate!
Great for A-Fib
Gary W Martin
I’ve been using this for over five years. When a heartbeat is missing, it’s probably a PVC. Great app to monitor arrhythmias.
Killer App
tweeters mom
Actually says I have the endurance of an athlete. Also says I’ll live to be 98 he he! A real ego boost. I truly love this app.
Very helpful
Donna Porter
Can check BP and see arrhythmias in an instant.
Very reliable
Savagette
I like using it. Very reliable and quick.
Great app for monitoring heart rate
Watermelons0
This app works really well for tracking heart rate. I can view the rhythm of my heart on screen and even catch skipped beats or PVCs. A must-have.
Helpful
gilmo61
Love the app. It helps me look at my heartbeats when I feel something isn’t right.
A must-have for hypochondriacs and those with heart conditions
Asdfghjklqwertyuiopzxcvbnm1
Infinitely cheaper than buying a pulse oximeter. I used this to record tachycardia episodes before I got a heart monitor.
Awesome!
Mandi_Atkins
A+++ Works well and quick.
Amazing
Fattang
This app can get a good read of heart rate just by watching your face. ER doctors thought it was amazing.
Works great
kencop93
Right on the money with readings. While at hospital it matched the monitor exactly.
Peace of Mind
One Tap Away
No wires. No clunky devices. Just fast, reliable heart rate readings from your phone—anytime, anywhere. Whether you’re checking in after a workout or staying informed between doctor visits, Cardiio makes it effortless to track your pulse with confidence.
Trusted by millions. No accounts. No ads. Just clarity.
Peace of Mind
One Tap Away
No wires. No clunky devices. Just fast, reliable heart rate readings from your phone—anytime, anywhere. Whether you’re checking in after a workout or staying informed between doctor visits, Cardiio makes it effortless to track your pulse with confidence.
Trusted by millions. No accounts. No ads. Just clarity.
One Dashboard
Total Clarity
Cardiio syncs with Apple Health in seconds—so your heart rate history, trends, and stats are all in one place, always up to date. No more manual entry. No more digging. Just clear insights that help you stay in tune with your body and make smarter wellness decisions.
One Dashboard
Total Clarity
Cardiio syncs with Apple Health in seconds—so your heart rate history, trends, and stats are all in one place, always up to date. No more manual entry. No more digging. Just clear insights that help you stay in tune with your body and make smarter wellness decisions.
Why Cardiio
Beats the Rest
- No Wearables Needed: Skip the straps and smartwatches—Cardiio uses your phone’s camera to measure your pulse in seconds.
- Remarkably Accurate: Designed using research-backed techniques and tested by real users in real life.
- Syncs with Apple Health: Your heart data stays organized, up to date, and ready when you need it.
- Ad-Free. Always: Even the free version is clean and distraction-free—because your health deserves focus.
Why Cardiio
Beats the Rest
- No Wearables Needed: Skip the straps and smartwatches—Cardiio uses your phone’s camera to measure your pulse in seconds.
- Remarkably Accurate: Designed using research-backed techniques and tested by real users in real life.
- Syncs with Apple Health: Your heart data stays organized, up to date, and ready when you need it.
- Ad-Free. Always: Even the free version is clean and distraction-free—because your health deserves focus.
Take Control of Your Heart Health Today
Stay on top of your heart rate anytime, anywhere — no bulky equipment, no confusing setups. Just your phone and a powerful, accurate app trusted by millions.
Get Cardiio Now
Get Cardiio Now
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